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A subclass of polyketides having an octahydrotetracene-2-carboxamide skeleton, substituted with many hydroxy and other groups. E.g. chlortetracycline
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thermocouple definition
two metals are put together side by side when heated, one metal expands more than another due to differences in the coefficients of thermal exansion, and the strip bends. This can be used as a switch, as in a thermostat.
thermal transition definition
in the thermal testing of fluorocarbon tube fitting connections, a change from a specific elevated fluid temperature down to room temperature and then to an elevated temperature higher than previously tested, with the entire process repeated under...
thickness definition
1 : of an epitaxial layer, the distance from the surface of the wafer to the layer-substrate interface. [SEMI M2-94 and ASTM F1241] 2 : of a semiconductor wafer, the distance through the wafer between corresponding points on the front and back...
thermodynamic control (of product composition) definition
The term characterizes conditions that lead to reaction products in a proportion governed by the equilibrium constant for their interconversion and/or for the interconversion of reaction intermediates formed in or after the rate-limiting step....
thin film definition
a specific class of either conducting or insulating film deposited onto a wafer surface.
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